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Pediatric Medicine

Michael Lasser, MD

Sees patients in Cortlandt Manor, NY · New York

Summary

Michael Lasser, MD (Pediatric Medicine) is enrolled with Medicare at 1 practice location in Cortlandt Manor, NY. NPI 1821081399. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael Lasser, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Pediatric MedicinePrimary specialty
YesAccepts Medicare assignment
49Years since medical school (graduated 1977)
New York Medical CollegeMedical school
MaleGender (as listed)
The Westchester Medical Practice PCGroup practice

Quick answers

Where does Michael Lasser see patients?
Medicare's clinician data lists 1 practice location in Cortlandt Manor, NY. Call before your visit to confirm the address.
What is Michael Lasser's specialty?
Medicare lists Pediatric Medicine as the primary specialty.
Does Michael Lasser accept Medicare assignment?
Yes. Medicare's clinician data says Michael Lasser accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Michael Lasser?
(914) 739-3597, as listed in official Medicare / NPI Registry data.
What is Michael Lasser's NPI number?
1821081399. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Michael Lasser is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael Lasser as a member of this group (CMS data updated 2026-10-02).

  • The Westchester Medical Practice PC196 clinicians in the group

Specialties

Find other Pediatric Medicine doctors in New York →

Other pediatricians in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All pediatricians in New York →

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year1977
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821081399
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians